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124770081 = 341590027
BaseRepresentation
bin1110110111111…
…01011100100001
322200202222101010
413123331130201
5223420120311
620214131133
73043346112
oct733753441
9280688333
10124770081
116447a677
1235950aa9
131cb07167
14127dc209
15ae48da6
hex76fd721

124770081 has 4 divisors (see below), whose sum is σ = 166360112. Its totient is φ = 83180052.

The previous prime is 124770049. The next prime is 124770097. The reversal of 124770081 is 180077421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 124770081 - 25 = 124770049 is a prime.

It is a super-2 number, since 2×1247700812 = 31135146225493122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124770181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20795011 + ... + 20795016.

It is an arithmetic number, because the mean of its divisors is an integer number (41590028).

Almost surely, 2124770081 is an apocalyptic number.

It is an amenable number.

124770081 is a deficient number, since it is larger than the sum of its proper divisors (41590031).

124770081 is an equidigital number, since it uses as much as digits as its factorization.

124770081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41590030.

The product of its (nonzero) digits is 3136, while the sum is 30.

The square root of 124770081 is about 11170.0528646914. The cubic root of 124770081 is about 499.6932531846.

The spelling of 124770081 in words is "one hundred twenty-four million, seven hundred seventy thousand, eighty-one".

Divisors: 1 3 41590027 124770081